05. Statistical physics and thermodynamics (see also 02.50 Probability
theory, stochastic processes, and statistics)
05.20.-y Statistical mechanics
05.20.Dd Kinetic theory
05.20.Gg Classical ensemble theory
05.30.-d Quantum statistical mechanics
05.30.Ch Quantum ensemble theory
05.30.Fk Fermion systems and electron gas
05.30.Jp Boson systems
05.40.+j Fluctuation phenomena, random processes, and Brownian motion
05.45.+b Theory and models of chaotic systems
05.50.+q Lattice theory and statistics; Ising problems (see also 64.60.C Order-
disorder and statistical mechanics of model systems; 75.10.H Classical
spin models)
05.60.+w Transport processes: theory
05.70.-a Thermodynamics (see also 64 Equations of state, phase equilibria, and
phase transitions, and 65 Thermal properties of condensed matter; for
chemical thermodynamics, see 82.60)
05.70.Ce Thermodynamic functions and equations of state
05.70.Fh Phase transitions: general aspects
05.70.Jk Critical point phenomena
05.70.Ln Nonequilibrium thermodynamics, irreversible processes (see also
82.20.M Nonequilibrium kinetics, and 82.40.B Oscillations, chaos, and
bifurcations in homogeneous and nonequilibrium reactors)
05.90.+m Other topics in statistical physics and thermodynamics